BaBar Tests of Lorentz and CPT Symmetry

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Tests of CPT and T symmetries and a limit on the difference between the decay rates of the two mass eigenstates in B{sup 0}-mesons oscillations are reported. The reconstructed B decays, comprising both CP and flavor eigenstates, are obtained from {Upsilon}(4S) {yields} B{bar B} decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. Sensitivity projections for sidereal time modulation of the CPT-violating parameter based on an explicit and general CPT-breaking standard model extension are also discussed.

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Description

Tests of CPT and T symmetries and a limit on the difference between the decay rates of the two mass eigenstates in B{sup 0}-mesons oscillations are reported. The reconstructed B decays, comprising both CP and flavor eigenstates, are obtained from {Upsilon}(4S) {yields} B{bar B} decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. Sensitivity projections for sidereal time modulation of the CPT-violating parameter based on an explicit and general CPT-breaking standard model extension are also discussed.